US3190731A - Sample-supply cups for analysis apparatus - Google Patents

Sample-supply cups for analysis apparatus Download PDF

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Publication number
US3190731A
US3190731A US94286A US9428661A US3190731A US 3190731 A US3190731 A US 3190731A US 94286 A US94286 A US 94286A US 9428661 A US9428661 A US 9428661A US 3190731 A US3190731 A US 3190731A
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United States
Prior art keywords
cup
receptacle
sample
analysis apparatus
liquid
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Expired - Lifetime
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US94286A
Inventor
Edwin C Weiskopf
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Bayer Corp
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Technicon Instruments Corp
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Publication date
Application filed by Technicon Instruments Corp filed Critical Technicon Instruments Corp
Priority to US94286A priority Critical patent/US3190731A/en
Priority to GB4294/62A priority patent/GB983311A/en
Priority to FR888840A priority patent/FR1315634A/en
Priority to DET21701A priority patent/DE1140755B/en
Priority to CH275462A priority patent/CH403348A/en
Priority to BE614791A priority patent/BE614791A/en
Application granted granted Critical
Publication of US3190731A publication Critical patent/US3190731A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • G01N33/4905—Determining clotting time of blood

Definitions

  • This invention relates to sample-supply cups or similar receptacles for use with automatic analysis apparatus, especially but without limitation in clinical chemistry for the analysis of blood and other body-liquids, in which case the cups are to be utilized only once as receptacles for blood or other liquid specimens of a comparatively large number of hospital patients or other persons whose bodyliquid specimens are taken for chemical examination in respect to one or more constituents thereof.
  • these cups are of small size, their maximum volumetric capacity usually being only a few milliliters, and they are designed to be mounted removably on a turntable which is turned step by step to position the cups in succession to a take-off device of analysis apparatus for the supply of the specimens in succession to the automatic analysis apparatus.
  • a take-off device of analysis apparatus for the supply of the specimens in succession to the automatic analysis apparatus.
  • One of the objects of the presentinvention is to provide a sample-supply cup which is so constructed as to enable the sample take-oil device of the analysis apparatus to remove substantially the entire sample from the cup while the cup remains in upright position on the turntable. This is of considerable importance, especially in the case of the examination of a specimen of human blood, and all the more so when a single blood specimen is divided into aliquots for a series of examinations of the specimen in respect to various constituents thereof.
  • a further object is generally to provide a sample-supply cup of improved construction, especially in respect to its quality, use facility, quantity-production facility, and production cost.
  • FIG. 1 is a perspective view Of part or" a specimensupply turn-table with cups of the present invention mounted thereon;
  • FIG. 2 is an enlarged sectional view partly in elevation, on the line 2-2 of FIG. 1;
  • FIG. 3 is a top View of the cup
  • FIG. 4 is a bottom view of the cup.
  • the sample-supply cup 19 of the invention is formed preferably by molding it from clear polystyrene.
  • the cup is of circular cross section and its side wall 12 which is generally cylindrical tapers slightly from the peripheral shoulder 14 to its lower end 16, to facilitate removal from the mold.
  • the peripheral shoulder 14 supports the cup on the turn-table plate 18 around a companion opening 20 through which the cup extends and which positions the cup laterally of the other cups similarly mounted on the turn-table.
  • the cup has an integral handle 22 which is adjacent the top of the cup and which may have a numeral or other identification device molded in its lower surface, as indicated at 24.
  • the cups may be thus marked in sets of fifty in which case they will be marked with the numerals l to 50, respectively, to identify the specimens or for other purposes.
  • the lower part of the cup is provided with a steeply tapered well 26 defined by an inner conical wall 27 for accomplishing the first stated object of the invention, namely the removal of all or substantially all of the liquid from the cup by the aspirating tube indicated at 28.
  • the conical wall terminates in a narrow fiat part 27 at the extreme bottom of the well. In the take-oil position of said tube its lower end is positioned close to the bottom of the well so that none or only a minute quantity of the liquid remains in the cup at the end of the take-off operation for delivery or" the liquid to the analysis apparatus.
  • Side wall 12 of the cup has a lower external skirt portion 29 which surrounds the well 26 and extends to the lower end 16 of the cup for supporting ..1e cup in vertical position on any flat surface, when the cup is not mounted on the turn-table.
  • the depth of the tapered well is about 0.14 inch and that its internal diameter at the top 31 of the well is about 0.42 inch.
  • total depth of the cup is about 1.2 inches and that its outer diameter at the upper end of the cup is about 0.60 inch.
  • the tapered well constitutes a volumetrically small part of the cup, and since the lower end of the take-oil tube is positioned close to the bottom of this small Well, very little it any appreciable quantity of liquid can remain in the cup at the conclusion of the aspiration operation.
  • a removable stirrer 30 in the form of a rotary rod may be inserted in vertical position in the cup for rotation about its vertical axis centrally of the vertical axis of the cup for mixing the liquid in the cup.
  • the cup is provided with means to aid in the mixing of the liquid by the stirrer.
  • said means comprises a plurality of circumfer-' entially spaced projections or ribs 32 which extend from the bottom of the well 26 upwardly to an intermediate part of the side wall 12 of the cup. The ribs prevent or considerably reduce the rotation or swirling motion of the liquid by the rotation of the rod and co-act with said rod to provide turbulence of the liquid and thus improve the stirring action.
  • the stirrer 30 operable by a motor (not shown) and mounted for movement automatically-into and out of the sample cup in succession during the rest periods of the turn-table is disclosed in the application of Andres Ferrari, Serial No. 94,342, now Patent No. 3,107,536, filed concurrently herewith and assigned to the assignee of my present application.
  • the automatic stirrer is not part of my invention and as the stirring of the liquid in the cup may be accomplished by manual rotation of the stirring rod, further description or illustration thereof in this application is unnecessary.
  • the side wall 12 has a smooth outer surface and preferably varies in thickness in adjacent portions longitudinally of the cup to provide graduation lines 34 visible externally of the cup for indicating the quantity of liquid in the cup.
  • a small cup-like receptacle for a sample liquid for use in connection with automatic analysis apparatus said receptacle being adapted to be mounted in an opening of a horizontal support, said receptacle having a small volumetric capacity of the order of a fraction of a cubic inch and being of greater depth than width and having a downaiaarn wardly tapering inner wall part forming the inner bottom portion of the receptacle, the apex of said tapering inner wall part being truncated by a fiat surface, so as to facilitate the aspiration of a maximum quantity of the liquid sample from the receptacle through a tube inserted in the cup and positioned with its inlet end close to the bottom of the cup, and an integral horizontal external part projecting laterally from the side of the cup and positioned near the top thereof so that said part is adapted to be positioned over the upper surface of said horizontal support when the cup is mounted thereon, said part also extending a substantial distance peripherally of the cup and having a fiat-
  • a small cup-like receptacle for a sample liquid for use in connection with automatic analysis apparatus said receptacle being adapted to be mounted in an opening of a horizontal support, said receptacle having a small volumetric capacity of the order of a fraction of a cubic inch and being of greater depth than width to facilitate the aspiration of a maximum quantity of the liquid sample from the receptacle through a tube inserted in the cup and positioned with its inlet end close to the bottom of the cup, the lower part of said cup having an internal downwardly tapering well defined by a conical wall portion terminating at the bottom of the inside of the cup in a truncating fiat surface, said cup having an integral horizontal external part positioned adjacent the top of the cup and projecting laterally from the side of the cup, so that said part is adapted to be positioned over the upper surface of said horizontal support when the cup is mounted thereon, said part also extending a substantial distance peripherally of the cup and having a flat surface area for sample-identification marking, said
  • a small cup-like receptacle for a sample liquid for use in connection with automatic analysis apparatus said receptacle being adapted to be mounted in an opening of a horizontal support, said receptacle having a small volumetric capacity of the order of a fraction of a cubic inch and being of greater depth than width and having a downwardly tapering inner wall part forming the inner bottom portion of the receptacle, the apex of said tapering inner wall part being truncated by a fiat surface, so as to facilitate the aspiration of a maximum quantity of the liquid sample from the receptacle through a tube inserted in the cup and positioned with its inlet end close to the bottom of the cup, said receptacle having external shoulder means near its top for supporting the receptacle in the opening in the horizontal support with an uppermost portion of said receptacle extending above the horizontal support and adapted to be manually grasped for the removal of said receptacle from the support, said receptacle also having integral

Description

June 22,1965. E, QWEISKOPF 3,190,731 SAMPLE-SUPPLY CUPS FOR ANALYSIS APPARATUS Filed March 8, 1961 A 23 INVENTOR.
ATTORNEY United States Patent 3,199,731 SAMPLE-SUPPLY CUPS FOR ANALYSES APPARATUS Edwin C. Weislropf, Brewster, N.Y., assiguor to Technicon Instruments Corporation, Chauncey, N.Y., a corporation of New York Filed Mar. 8, 1961, Ser. No. 94,286 3 Claims. (Cl. 23-292) This invention relates to sample-supply cups or similar receptacles for use with automatic analysis apparatus, especially but without limitation in clinical chemistry for the analysis of blood and other body-liquids, in which case the cups are to be utilized only once as receptacles for blood or other liquid specimens of a comparatively large number of hospital patients or other persons whose bodyliquid specimens are taken for chemical examination in respect to one or more constituents thereof.
Ordinarily, these cups are of small size, their maximum volumetric capacity usually being only a few milliliters, and they are designed to be mounted removably on a turntable which is turned step by step to position the cups in succession to a take-off device of analysis apparatus for the supply of the specimens in succession to the automatic analysis apparatus. Such type of apparatus is described in US. Patent No. 2,879,141 issued March 24, 1959, to the assignee of this application upon an application of Leonard T. Skeggs. Although in the apparatus shown by said patent, the cups are in the form of Wells in the turntable as integral parts thereof, in actual practice individual, removable one-use cups are utilized.
One of the objects of the presentinvention is to provide a sample-supply cup which is so constructed as to enable the sample take-oil device of the analysis apparatus to remove substantially the entire sample from the cup while the cup remains in upright position on the turntable. This is of considerable importance, especially in the case of the examination of a specimen of human blood, and all the more so when a single blood specimen is divided into aliquots for a series of examinations of the specimen in respect to various constituents thereof.
A further object is generally to provide a sample-supply cup of improved construction, especially in respect to its quality, use facility, quantity-production facility, and production cost.
The above and other objects, features and advantages of the invention will be apparent from the following description of the presently preferred embodiment of the invention considered in connection with the accompanying illustrative drawings.
in the drawings:
FIG. 1 is a perspective view Of part or" a specimensupply turn-table with cups of the present invention mounted thereon;
FIG. 2 is an enlarged sectional view partly in elevation, on the line 2-2 of FIG. 1;
FIG. 3 is a top View of the cup; and
FIG. 4 is a bottom view of the cup.
Referring now to the drawings in detail, the sample-supply cup 19 of the invention is formed preferably by molding it from clear polystyrene. The cup is of circular cross section and its side wall 12 which is generally cylindrical tapers slightly from the peripheral shoulder 14 to its lower end 16, to facilitate removal from the mold. The peripheral shoulder 14 supports the cup on the turn-table plate 18 around a companion opening 20 through which the cup extends and which positions the cup laterally of the other cups similarly mounted on the turn-table. The cup has an integral handle 22 which is adjacent the top of the cup and which may have a numeral or other identification device molded in its lower surface, as indicated at 24. The cups may be thus marked in sets of fifty in which case they will be marked with the numerals l to 50, respectively, to identify the specimens or for other purposes.
The lower part of the cup is provided with a steeply tapered well 26 defined by an inner conical wall 27 for accomplishing the first stated object of the invention, namely the removal of all or substantially all of the liquid from the cup by the aspirating tube indicated at 28. The conical wall terminates in a narrow fiat part 27 at the extreme bottom of the well. In the take-oil position of said tube its lower end is positioned close to the bottom of the well so that none or only a minute quantity of the liquid remains in the cup at the end of the take-off operation for delivery or" the liquid to the analysis apparatus. Side wall 12 of the cup has a lower external skirt portion 29 which surrounds the well 26 and extends to the lower end 16 of the cup for supporting ..1e cup in vertical position on any flat surface, when the cup is not mounted on the turn-table. As indicative, but not as a narrow limitation of the steep taper of the wall of the well 26, it may be noted that the depth of the tapered well is about 0.14 inch and that its internal diameter at the top 31 of the well is about 0.42 inch. Further, by way of a non-limitative example, it may be noted that total depth of the cup is about 1.2 inches and that its outer diameter at the upper end of the cup is about 0.60 inch. It will be understood from this description and the drawings that the tapered well constitutes a volumetrically small part of the cup, and since the lower end of the take-oil tube is positioned close to the bottom of this small Well, very little it any appreciable quantity of liquid can remain in the cup at the conclusion of the aspiration operation.
As illustrated more or less diagrammatically a removable stirrer 30 in the form of a rotary rod may be inserted in vertical position in the cup for rotation about its vertical axis centrally of the vertical axis of the cup for mixing the liquid in the cup. The cup is provided with means to aid in the mixing of the liquid by the stirrer. As here shown, said means comprises a plurality of circumfer-' entially spaced projections or ribs 32 which extend from the bottom of the well 26 upwardly to an intermediate part of the side wall 12 of the cup. The ribs prevent or considerably reduce the rotation or swirling motion of the liquid by the rotation of the rod and co-act with said rod to provide turbulence of the liquid and thus improve the stirring action. The stirrer 30 operable by a motor (not shown) and mounted for movement automatically-into and out of the sample cup in succession during the rest periods of the turn-table is disclosed in the application of Andres Ferrari, Serial No. 94,342, now Patent No. 3,107,536, filed concurrently herewith and assigned to the assignee of my present application. As the automatic stirrer is not part of my invention and as the stirring of the liquid in the cup may be accomplished by manual rotation of the stirring rod, further description or illustration thereof in this application is unnecessary.
The side wall 12 has a smooth outer surface and preferably varies in thickness in adjacent portions longitudinally of the cup to provide graduation lines 34 visible externally of the cup for indicating the quantity of liquid in the cup.
While 1 have shown-and described the presently preferred embodiment of my invention, it will be understood that various changes and additions may be made and will occur in view of this disclosure to those skilled in the art without departing from the principles of the invention within the scope of the appended claims.
What is claimed is:
1. A small cup-like receptacle for a sample liquid for use in connection with automatic analysis apparatus, said receptacle being adapted to be mounted in an opening of a horizontal support, said receptacle having a small volumetric capacity of the order of a fraction of a cubic inch and being of greater depth than width and having a downaiaarn wardly tapering inner wall part forming the inner bottom portion of the receptacle, the apex of said tapering inner wall part being truncated by a fiat surface, so as to facilitate the aspiration of a maximum quantity of the liquid sample from the receptacle through a tube inserted in the cup and positioned with its inlet end close to the bottom of the cup, and an integral horizontal external part projecting laterally from the side of the cup and positioned near the top thereof so that said part is adapted to be positioned over the upper surface of said horizontal support when the cup is mounted thereon, said part also extending a substantial distance peripherally of the cup and having a fiat-surface area for sample identification marking, said receptacle having an external shoulder below and adjacent to said horizontal part for supporting the receptacle in the opening of said horizontal support, said cup also having a ilat bottom part for supporting the cup when it is not supported by said shoulder in the opening of said horizontal part.
2. A small cup-like receptacle for a sample liquid for use in connection with automatic analysis apparatus, said receptacle being adapted to be mounted in an opening of a horizontal support, said receptacle having a small volumetric capacity of the order of a fraction of a cubic inch and being of greater depth than width to facilitate the aspiration of a maximum quantity of the liquid sample from the receptacle through a tube inserted in the cup and positioned with its inlet end close to the bottom of the cup, the lower part of said cup having an internal downwardly tapering well defined by a conical wall portion terminating at the bottom of the inside of the cup in a truncating fiat surface, said cup having an integral horizontal external part positioned adjacent the top of the cup and projecting laterally from the side of the cup, so that said part is adapted to be positioned over the upper surface of said horizontal support when the cup is mounted thereon, said part also extending a substantial distance peripherally of the cup and having a flat surface area for sample-identification marking, said receptacle having an external shoulder below and adjacent to said horizontal part for supporting the receptacle in the opening of said horizontal support, said cup also having a flat bottom part for supporting the cup when it is not supported by said shoulder in the opening of said horizontal part.
3. A small cup-like receptacle for a sample liquid for use in connection with automatic analysis apparatus, said receptacle being adapted to be mounted in an opening of a horizontal support, said receptacle having a small volumetric capacity of the order of a fraction of a cubic inch and being of greater depth than width and having a downwardly tapering inner wall part forming the inner bottom portion of the receptacle, the apex of said tapering inner wall part being truncated by a fiat surface, so as to facilitate the aspiration of a maximum quantity of the liquid sample from the receptacle through a tube inserted in the cup and positioned with its inlet end close to the bottom of the cup, said receptacle having external shoulder means near its top for supporting the receptacle in the opening in the horizontal support with an uppermost portion of said receptacle extending above the horizontal support and adapted to be manually grasped for the removal of said receptacle from the support, said receptacle also having integral support means disposed laterally of said downwardly tapering part externally of the receptacle and extending to the bottom of the receptacle for supporting the receptacle in upright position when it is not supported by said shoulder in said horizontal support.
References Cited by the Examiner UNITED STATES PATENTS 5 4,776 5 66 Robinson.
774,697 11/04 Ritter 259-114 1,078,175 11/13 Splaine 73-427 X 1,617,643 2/27 Kriete 259-107 1,705,162 3/29 Wahl. 1,775,109 9/30 Picker 73-427 2,195,133 3/40 Nevin 73-427 2,198,256 4/40 Levy 73-427 2,208,431 7/40 Rochow. 2,226,372 12/40 Cravaritis. 2,503,643 4/50 Verbrugge. 2,897,862 8/59 Malz et al. 2,932,437 4/ 60 Wilcox 150-.5 2,935,383 5/60 Des Hons 23-253 3,013,436 12/61 Dailey 73-426 3,081,158 3/63 Winter 23-253 FOREIGN PATENTS 833,012 3/52 Germany. 726,478 3/32 France.
CHARLES A. WILLMUTH, Primary Examiner.
J. S. SHANK, Examiner.

Claims (1)

1. A SMALL CUP-LIKE RECEPTACLE FOR A SAMPLE LIQUID FOR USE IN CONNECTIN WITH AUTOMATIC ANALYSIS APPARATUS, SAID RECEPTACLE BEING ADAPTED TO BE MOUNTED IN AN OPENING OF A HORIZONTAL SUPPORT, SAID RECEPTACLE HAVING A SMALL VOLUMETRIC CAPACITY OF THE ORDER OF A FRACTION OF A CUBIC INCH AND BEING OF GREATER DEPTH THAN WIDTH AND HAVING A DOWNWARDLY TAPERING INNER WALL PART FORMING THE INNER BOTTOM PORTION OF THE RECEPTACLE, THE APEX OF SAID TAPERING INNER WALL PART BEING TRUNCATED BY A FLAT SURFACE, SO AS TO FACILITATE THE ASPIRATION OF A MAXIMUM QUANTITY OF THE LIQUID SAMPLE FROM THE RECEPTACLE THROUGH A TUBE INSERTED IN THE CUP AND POSITIONED WITH ITS INLET END CLOSE TO THE BOTTOM OF THE CUP, AND AN INTEGRAL HORIZONTAL EXTERNAL PART PROJECTING LATERALLY FROM THE SIDE OF THE CUP AND POSITIONED NEAR THE TOP THEREOF SO THAT SAID PART IS ADAPTED TO BE POSITIONED OVER THE UPPER SURFACE OF SAID HORIZONTAL SUPPORT WHEN THE CUP IS MOUNTED THEREON, SAID PART ALSO EX-
US94286A 1961-03-08 1961-03-08 Sample-supply cups for analysis apparatus Expired - Lifetime US3190731A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US94286A US3190731A (en) 1961-03-08 1961-03-08 Sample-supply cups for analysis apparatus
GB4294/62A GB983311A (en) 1961-03-08 1962-02-05 Liquid-supply cups for analysis apparatus
FR888840A FR1315634A (en) 1961-03-08 1962-02-22 Cup for supplying samples to an automatic analysis device
DET21701A DE1140755B (en) 1961-03-08 1962-03-06 Sample holder for an analyzer
CH275462A CH403348A (en) 1961-03-08 1962-03-06 Liquid intake and storage cups
BE614791A BE614791A (en) 1961-03-08 1962-03-07 Cup for supplying samples to an automatic analysis device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94286A US3190731A (en) 1961-03-08 1961-03-08 Sample-supply cups for analysis apparatus

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US3190731A true US3190731A (en) 1965-06-22

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BE (1) BE614791A (en)
CH (1) CH403348A (en)
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GB (1) GB983311A (en)

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US3481712A (en) * 1959-11-20 1969-12-02 Clay Adams Inc Sediment container and cap and analysis technique
US3942952A (en) * 1974-08-22 1976-03-09 The Perkin-Elmer Corporation Sample platter moisturizing system
FR2314487A1 (en) * 1976-06-03 1977-01-07 Secr Social Service Brit FLASK ESPECIALLY FOR EXAMINATION OF SAMPLES, HOLDER FOR THAT FLASK, AND SET OF FLASK AND HOLDER
US4038874A (en) * 1975-04-24 1977-08-02 Societe Nationale Elf Aquitaine (Production) Device for the insertion of samples into a chromatography column
US4094641A (en) * 1977-02-25 1978-06-13 Waters Associates, Inc. Low loss sample bottle assembly
US4126418A (en) * 1976-04-12 1978-11-21 Elkay Products, Inc. Cuvette
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US4303616A (en) * 1979-06-20 1981-12-01 Olympus Optical Co. Ltd. Agglutination analyzing vessel
US4310488A (en) * 1980-05-19 1982-01-12 Hoffmann-La Roche Inc. Sample or reagent container for analyzers
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US4720374A (en) * 1985-07-22 1988-01-19 E. I. Du Pont De Nemours And Company Container having a sonication compartment
US4855110A (en) * 1987-05-06 1989-08-08 Abbott Laboratories Sample ring for clinical analyzer network
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US5856194A (en) * 1996-09-19 1999-01-05 Abbott Laboratories Method for determination of item of interest in a sample
US5948363A (en) * 1996-04-22 1999-09-07 Gaillard; Patrick Micro-well strip with print tabs
US6117391A (en) * 1998-06-18 2000-09-12 Bayer Corporation Cup handling subsystem for an automated clinical chemistry analyzer system
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US6800491B2 (en) 2001-06-08 2004-10-05 Nalge Nunc International Corporation Robotic reservoir without liquid hangup
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US20080044314A1 (en) * 2006-06-23 2008-02-21 Cephalon, Inc. Pharmaceutical measuring and dispensing cup
US20100254854A1 (en) * 2007-05-08 2010-10-07 Idexx Laboratories, Inc. Chemical analyzer
US20120132472A1 (en) * 2010-11-30 2012-05-31 Jose Maria Las Navas Garcia Stackable crucible, a system using a stackable crucible, and a method of using a stackable crucible
US8585989B2 (en) 2003-12-04 2013-11-19 Idexx Laboratories, Inc. Retaining clip for reagent test slides
US9366617B1 (en) * 2015-07-10 2016-06-14 David E. Doggett Self-stirring container
US9513197B2 (en) * 2014-11-07 2016-12-06 Theranos, Inc. Methods, devices, and systems for mixing fluids
US9677988B1 (en) 2015-07-10 2017-06-13 David E. Doggett Integrating radiation collection and detection apparatus
US9797916B2 (en) 2014-01-10 2017-10-24 Idexx Laboratories, Inc. Chemical analyzer
US9862918B2 (en) 2012-01-19 2018-01-09 Yamaha Hatsudoki Kabushiki Kaisha Well plate and suction device provided with well plate

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US4758409A (en) * 1986-07-10 1988-07-19 Techicon Instruments Corporation Microsample cup
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DE102005062052B4 (en) 2005-12-22 2009-06-04 Sartorius Stedim Biotech Gmbh Disposable bioreactor for the cultivation of cells in a nutrient medium
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Publication number Publication date
GB983311A (en) 1965-02-17
DE1140755B (en) 1962-12-06
CH403348A (en) 1965-11-30
BE614791A (en) 1962-09-07

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